Compressed format with two 64-bit chunks. The first chunk contains two 8-bit alpha components and one 48-bit descriptor component. The second chunk contains two 16-bit color components and one 32-bit descriptor component.

Compressed format with two 64-bit chunks, with conversion between sRGB and linear space. The first chunk contains two 8-bit alpha components and one 48-bit descriptor component. The second chunk contains two 16-bit color components and one 32-bit descriptor component.

Compressed format with two 64-bit chunks. The first chunk contains two 8-bit alpha components and one 48-bit descriptor component. The second chunk contains two 16-bit color components and one 32-bit descriptor component.

Compressed format with two 64-bit chunks, with conversion between sRGB and linear space. The first chunk contains two 8-bit alpha components and one 48-bit descriptor component. The second chunk contains two 16-bit color components and one 32-bit descriptor component.